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STENT WITH TABS AND HOLES FOR DRUG DELIVERY

  • US 20090281615A1
  • Filed: 05/08/2008
  • Published: 11/12/2009
  • Est. Priority Date: 05/08/2008
  • Status: Active Grant
First Claim
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1. A stent comprising:

  • a generally tubular body disposed about a longitudinal axis, the stent having a proximal end and a distal end;

    a plurality of circumferential serpentine bands, each serpentine band having alternating peaks and troughs, each serpentine band having a wavelength and an amplitude, the peaks of each serpentine band being substantially aligned with the peaks of each immediately adjacent serpentine band;

    a plurality of connectors, the connectors extending between immediately adjacent serpentine bands; and

    a plurality of tabs, the plurality of tabs comprising peak tabs and trough tabs, each peak tab and each trough tab having a first end and a second end wherein only the first end is engaged to a serpentine band, each peak tab extending substantially parallel to the longitudinal axis from a peak on a serpentine band toward a peak on an immediately distal serpentine band, each trough tab extending substantially parallel to the longitudinal axis from a trough on a serpentine band toward a trough on an immediately proximal serpentine band,wherein each serpentine band defines a plurality of holes, each hole on a serpentine band being located approximately a distance D1 from each immediately adjacent hole on the serpentine band, andwherein each tab defines a plurality of holes, each hole on a tab being located approximately distance D2 from each immediately adjacent hole on the tab, the holes constructed and arranged to contain a therapeutic agent.

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